Oxmoor House
Landscaping with Tropical Plants: Design Ideas, Creative Garden Plans, Cold-Climate Solutions
University Press of Florida
Landscape Plants for Subtropical Climates
Workman Publishing
Growing Tasty Tropical Plants in Any Home, Anywhere: (like lemons, limes, citrons, grapefruit, kumquats, sunquats, tahitian oranges, barbados ... black pepper, cinnamon, vanilla, and more...)
Hot Plants for Cool Climates